syzkaller login: [ 35.487098] sshd (224) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:40911' (ECDSA) to the list of known hosts. 2023/05/17 14:29:09 fuzzer started 2023/05/17 14:29:09 dialing manager at localhost:44319 2023/05/17 14:29:09 checking machine... 2023/05/17 14:29:09 checking revisions... [ 36.484937] kmemleak: Automatic memory scanning thread ended 2023/05/17 14:29:09 testing simple program... [ 36.557201] cgroup: Unknown subsys name 'net' [ 36.635122] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.688406] audit: type=1400 audit(1684333762.808:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.808710] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.811363] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.817885] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.823309] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.825039] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.826256] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.203585] ------------[ cut here ]------------ [ 51.204261] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.206279] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.207388] Modules linked in: [ 51.207824] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.212460] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.213505] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.214192] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 51.216407] RSP: 0018:ffff88801584fc00 EFLAGS: 00010282 [ 51.217097] RAX: 0000000000000000 RBX: ffff88800eb0f040 RCX: 0000000000000000 [ 51.218004] RDX: ffff88801693d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.218950] RBP: ffff88800eb0f054 R08: 0000000000000001 R09: 0000000000000000 [ 51.219849] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.220742] R13: ffffffff84e23fe0 R14: ffff88800eb0f048 R15: ffffffff84d74dc0 [ 51.221637] FS: 0000555556bd1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.222647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.223378] CR2: 00007f65f93076f4 CR3: 00000000201b2000 CR4: 0000000000350ef0 [ 51.224278] Call Trace: [ 51.224640] [ 51.224940] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.225561] ipv4_frags_init_net+0x269/0x440 [ 51.226157] ops_init+0xbb/0x6b0 [ 51.226653] setup_net+0x3d9/0x990 [ 51.227125] ? down_read_killable+0x1d7/0x4e0 [ 51.227739] ? __pfx_setup_net+0x10/0x10 [ 51.228264] ? copy_net_ns+0x17c/0x770 [ 51.228808] copy_net_ns+0x321/0x770 [ 51.229294] create_new_namespaces+0x3f6/0xb30 [ 51.229922] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.230563] ksys_unshare+0x44d/0x8e0 [ 51.231095] ? __pfx_ksys_unshare+0x10/0x10 [ 51.231676] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.232386] __x64_sys_unshare+0x31/0x40 [ 51.232934] do_syscall_64+0x3f/0x90 [ 51.233416] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.234098] RIP: 0033:0x7f9ce4dc90d7 [ 51.234570] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 51.236759] RSP: 002b:00007ffca59d23b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.237715] RAX: ffffffffffffffda RBX: 00007ffca59d29f8 RCX: 00007f9ce4dc90d7 [ 51.238583] RDX: 00007f9ce4e3341f RSI: 00007ffca59d2350 RDI: 0000000040000000 [ 51.239470] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffca59d2160 [ 51.240387] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9ce4edbbf0 [ 51.241289] R13: 00007ffca59d2490 R14: 0000000000000000 R15: 00000000000000f8 [ 51.242247] [ 51.242557] irq event stamp: 8723 [ 51.243022] hardirqs last enabled at (8735): [] __up_console_sem+0x78/0x80 [ 51.244109] hardirqs last disabled at (8746): [] __up_console_sem+0x5d/0x80 [ 51.245202] softirqs last enabled at (7846): [] netlink_insert+0x187/0x1820 [ 51.246306] softirqs last disabled at (7844): [] release_sock+0x1f/0x1b0 [ 51.247355] ---[ end trace 0000000000000000 ]--- [ 51.253951] ------------[ cut here ]------------ [ 51.254570] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.256350] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.257426] Modules linked in: [ 51.257871] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.259035] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.260056] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.260728] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 51.262938] RSP: 0018:ffff88801584fc00 EFLAGS: 00010282 [ 51.263629] RAX: 0000000000000000 RBX: ffff888009800e40 RCX: 0000000000000000 [ 51.264485] RDX: ffff88801693d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.265379] RBP: ffff888009800e54 R08: 0000000000000001 R09: 0000000000000000 [ 51.266280] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.267179] R13: ffffffff84e23fe0 R14: ffff888009800e48 R15: ffffffff84da7d60 [ 51.268124] FS: 0000555556bd1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.269126] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.269873] CR2: 00007f65f93076f4 CR3: 00000000201b2000 CR4: 0000000000350ef0 [ 51.270803] Call Trace: [ 51.271127] [ 51.271420] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.272075] ipv6_frags_init_net+0x206/0x3c0 [ 51.272674] ops_init+0xbb/0x6b0 [ 51.273125] setup_net+0x3d9/0x990 [ 51.273583] ? down_read_killable+0x1d7/0x4e0 [ 51.274201] ? __pfx_setup_net+0x10/0x10 [ 51.274791] ? copy_net_ns+0x17c/0x770 [ 51.275308] copy_net_ns+0x321/0x770 [ 51.275827] create_new_namespaces+0x3f6/0xb30 [ 51.276410] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.277067] ksys_unshare+0x44d/0x8e0 [ 51.277555] ? __pfx_ksys_unshare+0x10/0x10 [ 51.278146] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.278910] __x64_sys_unshare+0x31/0x40 [ 51.279427] do_syscall_64+0x3f/0x90 [ 51.279945] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.280586] RIP: 0033:0x7f9ce4dc90d7 [ 51.281094] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 51.283291] RSP: 002b:00007ffca59d23b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.284254] RAX: ffffffffffffffda RBX: 00007ffca59d29f8 RCX: 00007f9ce4dc90d7 [ 51.285154] RDX: 00007f9ce4e3341f RSI: 00007ffca59d2350 RDI: 0000000040000000 [ 51.286052] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffca59d2160 [ 51.286969] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9ce4edbbf0 [ 51.287898] R13: 00007ffca59d2490 R14: 0000000000000000 R15: 00000000000000f8 [ 51.288829] [ 51.289137] irq event stamp: 10981 [ 51.289572] hardirqs last enabled at (10991): [] __up_console_sem+0x78/0x80 [ 51.290696] hardirqs last disabled at (11004): [] __up_console_sem+0x5d/0x80 [ 51.291802] softirqs last enabled at (10470): [] irq_exit_rcu+0x93/0xc0 [ 51.292873] softirqs last disabled at (10421): [] irq_exit_rcu+0x93/0xc0 [ 51.293941] ---[ end trace 0000000000000000 ]--- [ 51.295303] ------------[ cut here ]------------ [ 51.295918] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.297872] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.298949] Modules linked in: [ 51.299355] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.300524] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.301545] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.302252] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 51.304437] RSP: 0018:ffff88801584fbf0 EFLAGS: 00010286 [ 51.305128] RAX: 0000000000000000 RBX: ffff888009800040 RCX: 0000000000000000 [ 51.306033] RDX: ffff88801693d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.306940] RBP: ffff888009800054 R08: 0000000000000001 R09: 0000000000000000 [ 51.307837] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.308731] R13: ffffffff84e23fe0 R14: ffff888009800048 R15: ffffffff84db0aa0 [ 51.309628] FS: 0000555556bd1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.310636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.311348] CR2: 00007f65f93076f4 CR3: 00000000201b2000 CR4: 0000000000350ef0 [ 51.312255] Call Trace: [ 51.312585] [ 51.312925] nf_ct_net_init+0x224/0x3d0 [ 51.313440] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.314057] ops_init+0xbb/0x6b0 [ 51.314527] setup_net+0x3d9/0x990 [ 51.315026] ? down_read_killable+0x1d7/0x4e0 [ 51.315631] ? __pfx_setup_net+0x10/0x10 [ 51.316148] ? copy_net_ns+0x17c/0x770 [ 51.316694] copy_net_ns+0x321/0x770 [ 51.317178] create_new_namespaces+0x3f6/0xb30 [ 51.317802] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.318430] ksys_unshare+0x44d/0x8e0 [ 51.318958] ? __pfx_ksys_unshare+0x10/0x10 [ 51.319509] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.320261] __x64_sys_unshare+0x31/0x40 [ 51.320825] do_syscall_64+0x3f/0x90 [ 51.321313] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.322006] RIP: 0033:0x7f9ce4dc90d7 [ 51.322497] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 51.324678] RSP: 002b:00007ffca59d23b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.325630] RAX: ffffffffffffffda RBX: 00007ffca59d29f8 RCX: 00007f9ce4dc90d7 [ 51.326497] RDX: 00007f9ce4e3341f RSI: 00007ffca59d2350 RDI: 0000000040000000 [ 51.327395] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffca59d2160 [ 51.328298] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9ce4edbbf0 [ 51.329207] R13: 00007ffca59d2490 R14: 0000000000000000 R15: 00000000000000f8 [ 51.330125] [ 51.330440] irq event stamp: 11723 [ 51.330909] hardirqs last enabled at (11735): [] __up_console_sem+0x78/0x80 [ 51.331983] hardirqs last disabled at (11746): [] __up_console_sem+0x5d/0x80 [ 51.333058] softirqs last enabled at (11476): [] irq_exit_rcu+0x93/0xc0 [ 51.334099] softirqs last disabled at (11471): [] irq_exit_rcu+0x93/0xc0 [ 51.335178] ---[ end trace 0000000000000000 ]--- executing program [ 52.890207] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.937719] Bluetooth: hci0: command 0x041b tx timeout [ 56.985659] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.034845] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:29:23 Registers: info registers vcpu 0 RAX=000000000000003a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801584f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000003a R11=0000000000000001 R12=000000000000003a R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000555556bd1400 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f65f93076f4 CR3=00000000201b2000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=0000000000000000000000000000ff00 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000024ff5 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff9e90b4000 CR3=000000000ed08000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=3030203a5347414c4645203030636600 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000